Part 2: My Laptop Charger Cord is Frayed
1. Quick and Easy
PCWorld gives some helpful advice on how to fix a frayed laptop charger cord. From my own experience, this issues seems pretty much unavoidable, especially if you travel frequently with your laptop. What a lot of people tend to forget though is that a frayed charger cord can be DANGEROUS. So, if you don't want to spend money on a new AC adapter or power cord, here are some tips on how to fix this yourself.
If there's one thing that could have saved the Titanic, it's duct tape. For a frayed laptop cord, take some duct tape or electrical wire and place it over the damage. It's effective but not always permanent.
2. A Bit More Secure
For a more permanent method, you'll need some painter's tape and some silicone sealant. You can pick up both of these items at your local hardware store. Once you have those things, here's what you do:
You should now have a fully functional laptop cord that is just as flexible and sturdy as it was when you first got it.
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many higher end laptops are 90 watt.but they pull less when they are not on the AC. that's why there is a big speed deference when it works on battery power
the usb will negotiate how much amp's it will allow. so the high power cables will be detected. so your normal cables don't fry.